1.3 CW/HL
Name
Class
Simplify each expression.
1.
144
2.
25
3.
169
4.
49
5.
256
6.
400
7.
9
49
8.
196
144
9.
0.01
10.
0.49
Estimate the square root. Round to the nearest integer.
11.
38
12.
65
13.
99
14.
145.5
15.
23.75
16.
64.36
Find the approximate side length of each square figure to the nearest
whole unit.
2
17. a tabletop with an area 25 ft
2
18. a wall that is 105 m
Date
Form K
Name the subset(s) of the real numbers to which each number belongs.
19.
3
4
22. 45,368
20. –8
21. 2π
23.
24. 
11
2
3
Compare the numbers in each exercise using an inequality symbol.
25. 36, 49
26.
1
, 1.25
3
27. 100,  169
28.
34
,1.8
19
Order the numbers in each exercise from least to greatest.
29. 2.75, 25,  36
31.
3
, 0.6, 1
5
1
30. 1.25, , 1.25
3
32. 80 , 9, 30
25
9
33. Kate, Kevin, and Levi are comparing how fast they can run. Kate was able to
run 5 miles in 47.5 minutes. Kevin was able to run 8 miles in 74 minutes. Levi
was able to run 4 miles in 32 minutes. Order the friends from the fastest to the
slowest.